.getface{
    position: absolute;
    z-index : 100;
    transform: translate(-50%,-50%);
    left: 50%;
    top:50%
}
.tip{
    position: absolute;
    z-index: 10000;
    top: -6%;
    font-size: 20px;
    text-align: center;
    color: #0c84ff;
    transform: translate(-50%);
    left: 50%;
}